Senior Platform Engineer: Cloud Security & PCI Compliance

Northmill Bank AB S.A Oddział w Polsce; Katowice; Hybrid; PLN 260,000 - 360,000; Full time

Benefits offered by this job

Private medical care

Life insurance

Multisport

Library

Concierge service

Job summary

Northmill Bank AB S.A Oddział w Polsce is seeking a Senior Platform Engineer to design, develop, and strengthen security‑related platform capabilities across our financial systems.

You will work with AWS security services, cloud security monitoring, and vulnerability management while collaborating with engineering, Security, and external testers to ensure secure design and compliance in highly controlled environments.

Qualifications

• 5+ years of commercial experience in platform engineering, cloud security, security engineering, DevSecOps, or similar roles.
• Strong hands-on experience with AWS security services and security controls in cloud environments.
• Practical experience with vulnerability management, security alerting, and cloud security monitoring.
• Experience with security incident response and operational handling of security-related issues.
• Experience with web application security and secure design practices.
• Experience working with product or engineering teams to improve the security of applications and platform solutions.
• Experience supporting technical audits, compliance activities, or security control reviews in production environments.
• Experience working with technical security controls in regulated or highly controlled production environments.
• Strong understanding of cloud security practices, auditability, and operational security requirements.
• Willingness and interest to collaborate and work in a team.
• Poland as country of residence and Polish citizenship or EU country citizenship

Responsibilities

• Design, develop, and improve security-related platform capabilities used across modern financial systems.
• Strengthen cloud security controls in AWS environments and manage vulnerability remediation.
• Partner with development teams, Security, and external partners like testers and auditors to elevate standards.
• Design secure solutions with engineering teams and perform secure design reviews.
• Lead internal security reviews and technical auditing activities to identify risks.
• Act as a primary technical owner for security, compliance, and audit activities including PCI DSS.
• Drive vulnerability remediation by prioritizing and addressing findings.
• Work with AWS security services and tools (WAF, GuardDuty, Network Firewall, CloudTrail, KMS, Shield) and Wiz, Sentinel, incident.io, Jira, Confluence, and Git.
• Collaborate with teams using modern AI development tools.

Skills

Cloud security

Platform engineering

Security engineering

DevSecOps

Threat detection

Incident response

Tools

AWS WAF

GuardDuty

Network Firewall

CloudTrail

KMS

Shield

Wiz

Microsoft Sentinel

incident.io

Jira

Confluence

Git

Job description

Northmill Bank AB S.A Oddział w Polsce is seeking a Senior Platform Engineer to design, develop, and strengthen security‑related platform capabilities across our financial systems.

You will work with AWS security services, cloud security monitoring, and vulnerability management while collaborating with engineering, Security, and external testers to ensure secure design and compliance in highly controlled environments.